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Patent applications and USPTO patent grants for Summerhayes; Harry R..The latest application filed is for "electronic current transducer for high voltage transmission lines".
Patent | Date |
---|---|
Electronic current transducer for high voltage transmission lines Grant 4,126,825 - Houston , et al. November 21, 1 | 1978-11-21 |
Linear signal isolator and calibration circuit for electronic current transformer Grant 4,070,572 - Summerhayes January 24, 1 | 1978-01-24 |
Optical Caliper And Edge Detector-follower For Automatic Gaging Grant 3,749,500 - Carlson , et al. July 31, 1 | 1973-07-31 |
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